1
# weird redirections that caused trouble and were fixed in post-3.0 bash
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( sleep 5 < /dev/null >/dev/null 2>&1 & ) &
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( sleep 5 < /dev/null >/dev/null 2>&1 & )
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{ sleep 5 < /dev/null >/dev/null 2>&1 & } &
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{ sleep 5 < /dev/null >/dev/null 2>&1 & }
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echo 'exec <&3' | ${THIS_SH} 3<&0